# Impact, with the caveats attached

> Rankings of what 51 organizations publish, not of what grows. Scope: all. Every figure is the organization's own unless noted. Method: https://treerm.org/methodology

## Most transparent

| # | Organization | Figure | Basis |
|---|---|---|---|
| 1 | [Friends of Trees](https://treerm.org/org/friends-of-trees.md) | 64/100 (Well documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Publishes financials or cost per tree; Breaks figures down by program; Reports volunteers or events |
| 2 | [Forest ReLeaf of Missouri](https://treerm.org/org/forest-releaf-of-missouri.md) | 55/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Reports survival or monitoring; Breaks figures down by program |
| 3 | [SUGi](https://treerm.org/org/sugi.md) | 54/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Reports survival or monitoring; Breaks figures down by program; Reports volunteers or events |
| 4 | [New York Restoration Project](https://treerm.org/org/new-york-restoration-project.md) | 50/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Breaks figures down by program; Reports volunteers or events |
| 5 | [Reforestamos México](https://treerm.org/org/reforestamos-mexico.md) | 50/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Breaks figures down by program; Reports volunteers or events |
| 6 | [Tree Canada](https://treerm.org/org/tree-canada.md) | 50/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Breaks figures down by program; Reports volunteers or events |
| 7 | [Eden: People+Planet](https://treerm.org/org/eden-people-planet.md) | 46/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Publishes financials or cost per tree; Breaks figures down by program |
| 8 | [Arbor Day Foundation](https://treerm.org/org/arbor-day-foundation.md) | 45/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Breaks figures down by program; Reports volunteers or events |
| 9 | [Casey Trees](https://treerm.org/org/casey-trees.md) | 45/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Breaks figures down by program; Reports volunteers or events |
| 10 | [Sacramento Tree Foundation](https://treerm.org/org/sacramento-tree-foundation.md) | 45/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Breaks figures down by program; Reports volunteers or events |
| 11 | [Tree Pittsburgh](https://treerm.org/org/tree-pittsburgh.md) | 45/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Breaks figures down by program; Reports volunteers or events |
| 12 | [TreeFolks](https://treerm.org/org/treefolks.md) | 45/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Breaks figures down by program; Reports volunteers or events |
| 13 | [TreePeople](https://treerm.org/org/treepeople.md) | 45/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Breaks figures down by program; Reports volunteers or events |
| 14 | [Trees Atlanta](https://treerm.org/org/trees-atlanta.md) | 45/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Breaks figures down by program; Reports volunteers or events |
| 15 | [Texas Trees Foundation](https://treerm.org/org/texas-trees-foundation.md) | 44/100 (Partly documented) | Publishes annual tree figures; Figures are recent; Every figure has a public source; Breaks figures down by program; Reports volunteers or events |

## Most trees in their latest reported year

| # | Organization | Figure | Basis |
|---|---|---|---|
| 1 | [Green Legacy Initiative (Ethiopia)](https://treerm.org/org/ethiopia-green-legacy-initiative.md) | 714,700,000 | 2025 |
| 2 | [Eden: People+Planet](https://treerm.org/org/eden-people-planet.md) | 73,000,000 | 2023 |
| 3 | [One Tree Planted](https://treerm.org/org/one-tree-planted.md) | 51,900,000 | 2023 |
| 4 | [Trees for the Future](https://treerm.org/org/trees-for-the-future.md) | 49,940,320 | 2025 |
| 5 | [Ecosia](https://treerm.org/org/ecosia.md) | 18,400,000 | 2024 |
| 6 | [WeForest](https://treerm.org/org/weforest.md) | 16,645,762 | 2024 |
| 7 | [Tree Aid](https://treerm.org/org/tree-aid.md) | 8,800,000 | 2026 |
| 8 | [Woodland Trust](https://treerm.org/org/woodland-trust.md) | 6,046,790 | 2025 |
| 9 | [Tree-Nation](https://treerm.org/org/tree-nation.md) | 5,500,000 | 2025 |
| 10 | [Plant With Purpose](https://treerm.org/org/plant-with-purpose.md) | 5,000,000 | 2019 |
| 11 | [Arbor Day Foundation](https://treerm.org/org/arbor-day-foundation.md) | 4,000,000 | 2025 |
| 12 | [Forests Canada](https://treerm.org/org/forests-canada.md) | 3,600,000 | 2025 |
| 13 | [Greening Australia](https://treerm.org/org/greening-australia.md) | 3,279,866 | 2025 |
| 14 | [Reforest'Action](https://treerm.org/org/reforestaction.md) | 3,141,089 | 2026 |
| 15 | [Tree Canada](https://treerm.org/org/tree-canada.md) | 2,321,884 | 2025 |

## Growing fastest, year over year

| # | Organization | Figure | Basis |
|---|---|---|---|
| 1 | [Trees That Count](https://treerm.org/org/trees-that-count.md) | +127% | 2021: 220,000 → 2022: 500,000 |
| 2 | [Reforestamos México](https://treerm.org/org/reforestamos-mexico.md) | +37% | 2024: 215,337 → 2025: 295,000 |
| 3 | [Trees for the Future](https://treerm.org/org/trees-for-the-future.md) | +17% | 2024: 42,516,297 → 2025: 49,940,320 |
| 4 | [Tree-Nation](https://treerm.org/org/tree-nation.md) | +4% | 2024: 5,271,029 → 2025: 5,500,000 |
| 5 | [New York Restoration Project](https://treerm.org/org/new-york-restoration-project.md) | +3% | 2024: 4,500 → 2025: 4,649 |
| 6 | [Friends of Trees](https://treerm.org/org/friends-of-trees.md) | +1% | 2025: 39,100 → 2026: 39,357 |
| 7 | [One Tree Planted](https://treerm.org/org/one-tree-planted.md) | -2% | 2022: 52,793,657 → 2023: 51,900,000 |
| 8 | [Plant-for-the-Planet](https://treerm.org/org/plant-for-the-planet.md) | -4% | 2022: 2,386,462 → 2023: 2,288,521 |
| 9 | [Trees For Houston](https://treerm.org/org/trees-for-houston.md) | -11% | 2024: 101,000 → 2025: 90,000 |
| 10 | [Treedom](https://treerm.org/org/treedom.md) | -73% | 2023: 162,239 → 2024: 43,318 |

## Trees per volunteer

| # | Organization | Figure | Basis |
|---|---|---|---|
| 1 | [Tree Canada](https://treerm.org/org/tree-canada.md) | 145.4 | 2,321,884 trees, 15,972 volunteers, 2025 |
| 2 | [Reforestamos México](https://treerm.org/org/reforestamos-mexico.md) | 36.4 | 295,000 trees, 8,108 volunteers, 2025 |
| 3 | [TreeFolks](https://treerm.org/org/treefolks.md) | 22.1 | 62,523 trees, 2,833 volunteers, 2025 |
| 4 | [Friends of Trees](https://treerm.org/org/friends-of-trees.md) | 7.9 | 39,100 trees, 4,965 volunteers, 2025 |
| 5 | [Texas Trees Foundation](https://treerm.org/org/texas-trees-foundation.md) | 4 | 5,976 trees, 1,493 volunteers, 2025 |
| 6 | [New York Restoration Project](https://treerm.org/org/new-york-restoration-project.md) | 3.9 | 4,649 trees, 1,200 volunteers, 2025 |
| 7 | [TreePeople](https://treerm.org/org/treepeople.md) | 2.2 | 15,140 trees, 6,886 volunteers, 2024 |
| 8 | [The Greening of Detroit](https://treerm.org/org/the-greening-of-detroit.md) | 1.9 | 7,986 trees, 4,233 volunteers, 2024 |
| 9 | [Casey Trees](https://treerm.org/org/casey-trees.md) | 1.8 | 7,262 trees, 4,000 volunteers, 2025 |
| 10 | [Sacramento Tree Foundation](https://treerm.org/org/sacramento-tree-foundation.md) | 1.2 | 600 trees, 500 volunteers, 2024 |
| 11 | [Trees Atlanta](https://treerm.org/org/trees-atlanta.md) | 0.8 | 9,355 trees, 11,628 volunteers, 2025 |
| 12 | [Tree Pittsburgh](https://treerm.org/org/tree-pittsburgh.md) | 0.7 | 1,900 trees, 2,803 volunteers, 2025 |

## Dollars per tree (lowest first)

| # | Organization | Figure | Basis |
|---|---|---|---|
| 1 | [Friends of Trees](https://treerm.org/org/friends-of-trees.md) | $89 raised per tree recorded | $2,653,787 raised, 29,750 trees, 2024 |

## Survival rates reported

| # | Organization | Figure | Basis |
|---|---|---|---|
| 1 | [Forest ReLeaf of Missouri](https://treerm.org/org/forest-releaf-of-missouri.md) | 90% | 2025, reported |
| 2 | [SUGi](https://treerm.org/org/sugi.md) | 86% | 2025, reported |